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This commit is contained in:
Cameron Grant 2001-05-05 05:32:22 +00:00
parent 6e802e305e
commit 799c04bad3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=76290
1 changed files with 0 additions and 167 deletions
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167
sys/dev/sound/pcm/datatypes.h
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@ -1,167 +0,0 @@
/*
* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
typedef struct _snd_mixer snd_mixer;
typedef struct _snd_dbuf snd_dbuf;
typedef struct _snddev_info snddev_info;
typedef struct _pcmchan_caps pcmchan_caps;
typedef struct _pcm_feeder pcm_feeder;
typedef struct _pcm_channel pcm_channel;
/*****************************************************************************/
struct _snd_mixer {
KOBJ_FIELDS;
const char *name;
void *devinfo;
int busy;
int hwvol_muted;
int hwvol_mixer;
int hwvol_step;
u_int32_t hwvol_mute_level;
u_int32_t devs;
u_int32_t recdevs;
u_int32_t recsrc;
u_int16_t level[32];
};
/*****************************************************************************/
/*
* descriptor of a dma buffer. See dmabuf.c for documentation.
* (rp,rl) and (fp,fl) identify the READY and FREE regions of the
* buffer. dl contains the length used for dma transfer, dl>0 also
* means that the channel is busy and there is a DMA transfer in progress.
*/
struct _snd_dbuf {
u_int8_t *buf;
int bufsize, maxsize;
volatile int dl; /* transfer size */
volatile int rp, fp; /* pointers to the ready and free area */
volatile int rl, fl; /* lenght of ready and free areas. */
volatile int hp;
volatile u_int32_t int_count, prev_int_count;
volatile u_int32_t total, prev_total;
int chan, dir; /* dma channel */
int fmt, spd, bps;
int blksz, blkcnt;
int underflow, overrun;
u_int32_t flags;
bus_dmamap_t dmamap;
bus_dma_tag_t dmatag;
struct selinfo sel;
};
#define SNDBUF_F_ISADMA 0x00000001
/*****************************************************************************/
struct pcm_feederdesc {
u_int32_t type;
u_int32_t in, out;
u_int32_t flags;
int idx;
};
struct _pcm_feeder {
KOBJ_FIELDS;
int align;
struct pcm_feederdesc *desc;
void *data;
pcm_feeder *source;
};
/*****************************************************************************/
struct _pcmchan_caps {
u_int32_t minspeed, maxspeed;
u_int32_t *fmtlist;
u_int32_t caps;
};
struct _pcm_channel {
kobj_t methods;
pcm_feeder *feeder;
u_int32_t align;
int volume;
u_int32_t speed;
u_int32_t format;
u_int32_t flags;
u_int32_t feederflags;
u_int32_t blocks;
int direction;
snd_dbuf buffer, bufsoft;
snddev_info *parent;
void *devinfo;
};
/*****************************************************************************/
#define SND_STATUSLEN 64
/* descriptor of audio device */
struct _snddev_info {
pcm_channel *play, *rec, **aplay, **arec, fakechan;
int *ref, *atype;
unsigned playcount, reccount, chancount, maxchans;
snd_mixer *mixer;
u_long magic;
unsigned flags;
void *devinfo;
device_t dev;
char status[SND_STATUSLEN];
#ifdef SND_DYNSYSCTL
struct sysctl_ctx_list sysctl_tree;
struct sysctl_oid *sysctl_tree_top;
#endif
};
/*****************************************************************************/
/* mixer description structure and macros - these should go away,
* only mss.[ch] use them
*/
struct mixer_def {
u_int regno:7;
u_int polarity:1; /* 1 means reversed */
u_int bitoffs:4;
u_int nbits:4;
};
typedef struct mixer_def mixer_ent;
typedef struct mixer_def mixer_tab[32][2];
#define MIX_ENT(name, reg_l, pol_l, pos_l, len_l, reg_r, pol_r, pos_r, len_r) \
{{reg_l, pol_l, pos_l, len_l}, {reg_r, pol_r, pos_r, len_r}}
#define PMIX_ENT(name, reg_l, pos_l, len_l, reg_r, pos_r, len_r) \
{{reg_l, 0, pos_l, len_l}, {reg_r, 0, pos_r, len_r}}
#define MIX_NONE(name) MIX_ENT(name, 0,0,0,0, 0,0,0,0)